지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2011.5
- 수록면
- 1,278 - 1,285 (8page)
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초록· 키워드
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A new high-efficient phase-shifted full-bridge (PSFB) converter is proposed in this paper. The conventional PSFB converter with an external inductor and clamping diodes is widely used in server power systems due to limited voltage stress on switches and its zero voltage switching (ZVS) characteristics. However, a hold-up time regulation rule in server systems limits its operating duty ratio in nominal state and it increases the conduction loss of the converter. With simple modification, the proposed converter can be operated in the optimal operating point, 50% duty ratio, both in nominal operating condition and hold-up time condition. The ZVS characteristic is still maintained in the proposed converter. Therefore, conduction loss at the primary side of the converter is reduced and higher efficiency can also be obtained in the proposed converter than the conventional converter. The operational principle and analysis of the proposed converter are presented and verified by the 1㎾ prototype.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. FEATURES OF THE PROPOSED CONVERTER
Ⅲ. OPERATIONAL PRINCIPLES
Ⅳ. ANALYSIS OF THE PROPOSED CONVERTER
Ⅴ. EXPERIMENTAL RESULTS
Ⅵ. CONCLUSION
REFERENCES
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UCI(KEPA) : I410-ECN-0101-2013-560-000300478